# Langchain - Robocorp Action Server This template enables using [Robocorp Action Server](https://github.com/robocorp/robocorp) served actions as tools for an Agent. ## Usage To use this package, you should first have the LangChain CLI installed: ```shell pip install -U langchain-cli ``` To create a new LangChain project and install this as the only package, you can do: ```shell langchain app new my-app --package robocorp-action-server ``` If you want to add this to an existing project, you can just run: ```shell langchain app add robocorp-action-server ``` And add the following code to your `server.py` file: ```python from robocorp_action_server import agent_executor as action_server_chain add_routes(app, action_server_chain, path="/robocorp-action-server") ``` ### Running the Action Server To run the Action Server, you need to have the Robocorp Action Server installed ```bash pip install -U robocorp-action-server ``` Then you can run the Action Server with: ```bash action-server new cd ./your-project-name action-server start ``` ### Configure LangSmith (Optional) LangSmith will help us trace, monitor and debug LangChain applications. LangSmith is currently in private beta, you can sign up [here](https://smith.langchain.com/). If you don't have access, you can skip this section ```shell export LANGCHAIN_TRACING_V2=true export LANGCHAIN_API_KEY= export LANGCHAIN_PROJECT= # if not specified, defaults to "default" ``` ### Start LangServe instance If you are inside this directory, then you can spin up a LangServe instance directly by: ```shell langchain serve ``` This will start the FastAPI app with a server is running locally at [http://localhost:8000](http://localhost:8000) We can see all templates at [http://127.0.0.1:8000/docs](http://127.0.0.1:8000/docs) We can access the playground at [http://127.0.0.1:8000/robocorp-action-server/playground](http://127.0.0.1:8000/robocorp-action-server/playground) We can access the template from code with: ```python from langserve.client import RemoteRunnable runnable = RemoteRunnable("http://localhost:8000/robocorp-action-server") ```